Market EXPLAINED: Why the stock market is worried about a new margin rule Updated : August 19, 2020 06:01 PM IST Why is SEBI tightening margin rules and how will it affect market participants? Here's an FAQ that explains this development. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.